Decide whether the ordered pair is a solution of the given system.(5, -3)x + y = 2x - y = 8
A. No
B. Yes
Answer: B
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If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = -10x5 - 8x4 + 1
A. Not a polynomial function. B. Degree: 9; leading coefficient: -10 C. Degree: -10; leading coefficient: 5 D. Degree: 5; leading coefficient: -10
Find an equation for the line tangent to the graph of the given function at the indicated point.f(x) = 
at (8, 2)
A. y = - 
x
B. y = - 
x + 2
C. y = - 
x + 4
D. y = - 
x + 6
Solve the problem.Consider the learning curve defined in the graph. Depicted is the accuracy, p, expressed as a percentage, in performing a series of short tasks versus the accumulated amount of time spent practicing the tasks, t. Is 
continuous at 
at 
at 
alt="" style="vertical-align: 0.0px;" height="198" width="201" /> A. Yes; no; yes B. Yes; no; no C. No; no; no D. Yes; yes; yes
Solve.4x2 - 4y2 = 16 2x2 + y2 = 8
A. (0, -2), (0, 2) B. (-2, 0), (2, 0) C. (-2, -4), (-2, 4), (2, -4), (2, 4) D. (-2, 4), (2, 4)